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M <br /> t <br /> � 1 <br /> I <br /> decreased steadily since monitoring began; the latest data showed <br /> all substances were below detection levels in all three wells. <br /> 3 4. The water table has risen an average of 1. 72' since January, <br /> +- 1994, while levels of contamination have: dropped. This indicates <br /> rather conclusively that any contamination remaining in the soil <br /> has been reduced to irreducible concentrations. <br /> ~ 5. It appears that natural bioremediation has been instrumental <br /> in reducing the levels of contamination below detection limits_ <br /> RECOMMENDATION: <br /> Based upon a 'thorough analysis of all of .the data, it appears <br /> that soil andigroundwater contamination at this site has been <br /> reduced to levels which are below detection limits and therefore <br /> do not pose a'jhazard. We plan to measure water levels and sample <br /> all three wells again in August; if no contamination is found, we <br /> will recommend that the -�three wells be properly destroyed, and <br /> the site closed. <br /> YouVe1 i <br /> Wm. n er'; & As ociates <br /> cc: Diesel Service <br /> Garrison © <br /> .S <br /> { <br /> NUM <br /> �s <br /> OF. � <br /> 1 <br /> 1 ' <br /> i <br /> E� <br /> ;y <br />